Screen goes blank and buzzing

andywdackJan 22, 2013, 9:42 PM

i have recently built a desktop the specs are as followsasrock h77 pro4 mintel i3 3220 @ 3.3ghz16gb rammsi afterburner graphics card the 7770 wireless adapter windows 8 randomly when playing films my screen will go blank and buzz and lock out and i have to force a reset on my tower i have adjusted overclock function on the graphics card several times and have also adjusted power settings to max so desktop doesnt hibernate ive had my sony bravia tv tested and changed my hdmi to different brands and still the same my laptop has never had the same issue and will run films through my tv all day long with no issue